Preston, H.B. (1914). Appendix I. Description of new species. In: J. LONGSTAFF, On a collection of non-marine Mollusca from the Southern Sudân. Journal of the Linnaean Society of London (Zool.), 32 (217): 265-266, pl. 18. London. [30 June].
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Preston, H.B.
1914
Appendix I. Description of new species. In: J. LONGSTAFF, On a collection of non-marine Mollusca from the Southern Sudân